as indicated in his autobiography: “no pursuit at Cambridge was followed with nearly so much eagerness or gave me so much pleasure as collecting beetles” (Darwin, 1887b). In Chapter 14, Douglas Emlen, Laura Lavine, and Ben Ewen-Campen describe modern research on the molecular genetics, ontogeny, and phylogenetics of beetle horns. These authors advance fascinating mechanistic scenarios for the evolutionary origins of these peculiar devices, and for subsequent evolutionary alterations in horn shapes, allometries, body locations, and patterns of sexual dimorphism.
This volume then concludes with an essay by Eugenie Scott and Nicholas Matzke on the history, philosophy, and societal impact of a religious movement known as Intelligent Design, and its sharp contrast with scientific explanations for the appearance of biological design that results inevitably from natural selection.
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Part IV: CASE STUDIES: DISSECTING COMPLEX PHENOTYPES ."
In the Light of Evolution: Volume I: Adaptation and Complex Design . Washington, DC: The National Academies Press,
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